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Mathematics, 14.01.2022 18:30 liah9465
Please help me solve these.
Problem 1: In 2006, 86% of U. S. households had cable TV. Choose 3 households at random. Find the probability that
a) None of the 3 households had cable TV
b) All 3 households had cable TV
c) At least 1 out of 3 households had cable TV
Problem 2: A coin is tossed 3 times. Find the probability of getting at least 1 tail.
Problem 3: A coin is tossed 5 times. Find the probability of getting at least 1 tail.
Problem 4: A medication is 75% effective against a bacterial infection. Find the probability that if 12 people take the medication, at least 1 person's infection will not improve.
Problem 5: Urn 1 contains 5 red balls and 3 black balls. Urn 2 contains 3 red balls and 1 black ball. Urn 3 contains 4 red balls and 2 black balls. If an urn is selected at random and a ball is drawn, find the probability it will read.
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Please help me solve these.
Problem 1: In 2006, 86% of U. S. households had cable TV. Choose 3 hou...
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